Add the below at the very beginning of a text message, then leave a space and continue writing your text message. Doing this will give you a delivery report on when the message has been received by the recipient, however, it only indicates that the message has been received not read.

iPhone 7 128GB on refresh 20gb yearly tariffiPad Air 2 64gb on refreshMy first mobile was in 1995 a CM-R111 from sony on Cellnet.Henstridge Rural South Somerset now in the 21st century 4g 3g 2g and fibre broadband